Home / 42,545.64-58,731.13-30,288.94

Finding the Fourth Proportional to 42,545.64, 58,731.13 and 30,288.94

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Solution

The fourth proportional to 42,545.64, 58,731.13 and 30,288.94 is: 41,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.64 : 58,731.13 = 30,288.94 : x
  2. Step 2: Convert to fraction form
    42,545.64/58,731.13 = 30,288.94/x
  3. Step 3: Cross multiply
    42,545.64x = 58,731.13 × 30,288.94
  4. Step 4: Simplify right side
    42,545.64x = 1,778,903,672.70
  5. Step 5: Solve for x
    x = 1,778,903,672.70/42,545.64
  6. Step 6: Final answer
    x = 41,811.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.